Empty elements
Not all elements follow the above pattern of opening tag, content, and then
closing tag. Some elements consist only of a single tag, which is usually used
to insert/embed something in the document at the place it is included. For
example, the <img>
element embeds an image file onto a page in the position it
is included in:
<imgsrc="https://raw.githubusercontent.com/mdn/beginner-html-site/gh-pages/images/firefox-icon.png"/>
This would output the following on your page: